<html>

<head>
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css">
  <link rel="stylesheet" href=" https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css">
  <link rel="stylesheet" href="https://cdn.form.io/formiojs/formio.full.min.css">
  <script src='https://code.jquery.com/jquery-3.7.0.slim.min.js'></script>
  <script src='https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.min.js'></script>
  <script src='https://cdn.form.io/js/formio.full.min.js'></script>
  <script src="https://unpkg.com/@formio/contrib@latest/dist/formio-contrib.min.js"></script>
  <link rel="stylesheet" href="https://unpkg.com/@formio/contrib@latest/dist/formio-contrib.css">
</head>

<body>
  <div id='builder'></div>
  <script type='text/javascript'>
    Formio.use(FormioContrib);
    Formio.builder(document.getElementById('builder'));
  </script>
</body>

</html>